<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background-color: #f8f9fa;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            text-align: center;
        }

        .container {
            padding: 2rem;
            max-width: 600px;
        }

        .error-code {
            font-size: 8rem;
            font-weight: bold;
            color: #6c757d;
            margin: 0;
        }

        .error-title {
            font-size: 2rem;
            color: #343a40;
            margin: 1rem 0;
        }

        .error-message {
            color: #6c757d;
            line-height: 1.6;
            margin-bottom: 2rem;
        }

        .home-link {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            background-color: #007bff;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            transition: background-color 0.3s;
        }

        .home-link:hover {
            background-color: #0056b3;
        }
    </style>
</head>

<body>
    <div class="container">
        <h1 class="error-code">404</h1>
        <h2 class="error-title">页面未找到</h2>
        <p class="error-message">
            抱歉，您访问的页面不存在。<br>
            可能已被移动、删除或暂时不可用。
        </p>
        <a href="/" class="home-link">返回首页</a>
    </div>
</body>

</html>